Gmagick is a php extension to create, modify and obtain meta information of images using the GraphicsMagick API.
Version 2.0.0RC1 onwards requires GraphicsMagick version 1.3.17+ and PHP 7.0.1+
Version 2.0.5RC1 onwards requires GraphicsMagick version 1.3.20+ and PHP 7.0.1+
If you're using versions of PHP below 7.0.1 but above 5.1.3, please use version Gmagick 1.1.7RC3